Title:
優れた靭性及び溶接性を持つ高強度2相鋼板
Document Type and Number:
Japanese Patent JP3990725
Kind Code:
B2
Abstract:
A high strength steel composition comprising ferrite and martensite/bainite phases, the ferrite phase having primarily vanadium and niobium carbide or carbonitride precipitates, is prepared by a first rolling above the austenite recrystallization temperature, a second rolling below the austenite recrystallization temperature; cooling between the Ar3 transformation point and 500 DEG C.; and water cooling to below about 400 DEG C.
Inventors:
Ku Ja Young
Application Number:
JP51768996A
Publication Date:
October 17, 2007
Filing Date:
December 01, 1995
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
International Classes:
C21D8/02; C21D6/02; C21D8/12; C22C38/00; C22C38/14; C22C38/38; C21D7/12; C21D8/10
Domestic Patent References:
| JP50020918A | ||||
| JP52119444A | ||||
| JP59100214A | ||||
| JP57134518A | ||||
| JP57149424A |
Attorney, Agent or Firm:
Kenji Kawabi
Mitsutoshi Fukaya
Mitsutoshi Fukaya